Do you know（）they are getting on well with the project

单项选择题______ was the story the boy told the reporter.

单项选择题It's best ______ English like this.

单项选择题Greatly ______ as the leading scientist, he was asked to give lectures in many countries.

单项选择题They would ______ for Guangzhou the next morning and so they went to bed early.

单项选择题The hen ______ on the grass and ______ an egg yesterday morning.